As much as 15 inches of rain could fall in the next 16 days in Northern California.
Last year saw the lowest financial costs from natural disasters worldwide since 2009.
The National Weather Service says its preliminary data shows Kansas had 124 confirmed tornadoes in 2015 – 83 more than in 2014.
The flood, fueled by more than 10 inches of rain over a three-day period that began last weekend, is blamed for 22 deaths.
A Utah teen survived being lost overnight in single-digit temperatures over the weekend.
Officials closed a major interstate highway south of St. Louis on Thursday morning amid historic flooding.
The U.S. Army Corps of Engineers said water from the rising Mississippi River and its tributaries threatened to spill over 19 federal levees
Torrential rains pushed already swollen rivers and streams to virtually unheard-of heights in parts of Missouri and Illinois.
Interstate 44 was closed near the central Missouri town of Rolla, and a section of Interstate 70 was shut down in Illinois.
Heavy rain has caused flooding in southeast Kansas, where several roadways have been closed because of high water.
After a December that has felt more like spring than winter, the first major snowstorm of the season is about to hit the Northeast.
The storm system that spawned the twisters brought winter storm woes to the Midwest on Monday.
City crews have completed their third pass through the priority routes.
The Oklahoma Highway Patrol is searching for two hunters missing in Kay County.
More than 1,400 flights have been canceled across the U.S. and 2,600 have been delayed.